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CPI bias and its implications for poverty reduction in Africa (English)

International poverty estimates for countries in Africa commonly rely on national consumer price indexes (CPI) to adjust trends in nominal consumption over time for changes in the cost of living. However, the consumer price index is subject to various types of measurement bias. This paper uses Engel curve estimations to assess bias in the consumer price index and its implications for estimated poverty trends. The results suggest that in 11 of 16 Sub-Saharan...
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Dabalen,Andrew L.; Gaddis,Isis; Nguyen,Nga Thi Viet.

CPI bias and its implications for poverty reduction in Africa (English). Poverty and Equity Global Practice Working Paper Series|no. 090 Washington, D.C. : World Bank Group. http://documents.worldbank.org/curated/en/454641524551152399

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